I stopped drinking: did my bladder get smaller?

I stopped drinking about a year ago. Now I find that I pee more often. I used to have some pretty big pee sessions when I drank, up to a liter or more at the longest (measured, don’t ask) and now it seems I pee freely a lesser amount each session.

Is it likely my bladder could have shrunk in such a short period? Or is it more likely that not having to pee so MUCH is letting the urinary reflex be more selective. No answer needed desperately soon.